From: Marc Kleine-Budde <mkl@pengutronix.de>
Date: Sat, 30 Mar 2013 10:53:57 +0000 (+0200)
Subject: usb: chipidea: usbmisc: unset global varibale usbmisc on driver remove
X-Git-Url: https://git.stricted.de/?p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git;a=commitdiff_plain;h=d48a24dbc0d3f21cbd594bcc2553d40cc5ed4fd9

usb: chipidea: usbmisc: unset global varibale usbmisc on driver remove

The probe function checks usbmisc to be NULL in the beginning. Without
this patch the can only be loaded once.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/usb/chipidea/usbmisc_imx.c b/drivers/usb/chipidea/usbmisc_imx.c
index 3c424469c7a5..fd4d3392125f 100644
--- a/drivers/usb/chipidea/usbmisc_imx.c
+++ b/drivers/usb/chipidea/usbmisc_imx.c
@@ -131,6 +131,7 @@ static int usbmisc_imx_remove(struct platform_device *pdev)
 {
 	usbmisc_unset_ops(&imx6q_usbmisc_ops);
 	clk_disable_unprepare(usbmisc->clk);
+	usbmisc = NULL;
 	return 0;
 }